Ciencias,UNAM

Browsing by Subject "O-9-(2S-2-hydroxy-2,3-dimethyl-butanoyl)-heliotridine"

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Browsing by Subject "O-9-(2S-2-hydroxy-2,3-dimethyl-butanoyl)-heliotridine"

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  • Pyrrolizidine alkaloids from Ageratum houstonianum Mill
    Wiedenfeld, H; Andrade-Cetto, Adolfo (2001)
    Four pyrrolizidine alkaloids (PA) were isolated from Ageratum houstonianum and their structures elucidated by spectroscopical methods. Besides the already known lycopsamine three new PA were found. Their structures are the ...